package 中创;

import java.util.Arrays;

public class Test {

	/**
	 * @param args
	 */
	public static void main(String[] args) {
//		Integer a = new Integer(4);
//		Integer b = a;
//		a = new Integer(3);
//		
//		System.out.println(b);
//		String s = new String("haa");
//		String s1 = s;
//		s += "waa";
//		System.out.print(s);
		Object o;
		String ss = "abcdef";
		
		System.out.println(ss.lastIndexOf('d', 2));
		
		String[] a = {"aa","a","ad","d"};
		Arrays.sort(a);
		System.out.println(Arrays.toString(a));
		int aa = 0xA;
		System.out.println(aa);
	}

}
